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>>LDT Series AC PM Synchronous Servo Motors

GENERAL INTRODUCTION
LDT series AC Permanent-Magnet Synchronous Servo Motors Are High-Efficiency And Energy-Saving Products Which Developed By Suzhou Servo Technology (Suzhou) Co., Ltd. For Plastic-Injection Machine, Textile Machine, Pump, Compressor, Blower, Packing Machine, Food Machine, Printing Machine
Standard Features:
1. Input Voltage: 380V, 400V, 425V , IP54, Class F, TEFC ;
2. Series: LDT180, LDT250
3. Class "F" Insulation
4. Regreasing Nipples
5.Metric Thread Cable Entries In Terminal Box
6. PTC Thermistors
7. Rotor Magnetic Material: Nd-Fe-B
8. Shaft With Key Or Internal Spline
9. Mounting: B5 or B35
10 Power from 7.5KW-75KW
11. Speed: 1000RPM-3000RPM.
12. Feedback: Resolver or Encoder.
13. Paint Color Blue: RAL5010 Or Others
14. Motor Equipped With Oil Pump.

LDY Series AC PM Asynchronous Servo Motors 7.5KW-55KW Also Available

TECHNICAL DATA
Item Unit LDT180 Series LDT250 Series
18000720 18001120 18001520 18001820 18002220 25002220 25003320 25004420 25005520 25007520
Rated Power KW 7.5 11 15 18.5 22 22 33 44 55 75
Rated Torque NM 35.8 52.5 71.6 88.3 105.1 105.1 157.6 210.2 262.7 358.3
Rated Speed R/M 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000
Rated Current A 15.2 21.6 30.5 33.9 39.4 41.7 60.5 82.8 103.4 136.8
Rated Frequency HZ 133.3 133.3 133.3 133.3 133.3 133.3 133.3 133.3 133.3 133.3
Rated Voltage V 380 380 380 380 380 380 380 380 380 380
Back EMF at 2000R/M V 297.9 305.5 294.7 321.8 330.6 299.1 312.7 297.3 297 311.5
Stator Resistance(75oC) Ω 0.69 0.383 0.242 0.211 0.165 0.151 0.0877 0.0522 0.0371 0.0257
Winding Inductance (133HZ) Mh 3.65 2.38 1.76 1.5 1.28 1.66 1.15 0.762 0.599 0.46
Pole   8 8 8 8 8 8 8 8 8 8
Connection   Y Y Y Y Y Y Y Y Y Y
Rotor Inertia KGM2 0.0046 0.0068 0.0089 0.011 0.0131 0.0166 0.025 0.033 0.0417 0.0584
Threshold of built-in PTC oc 130 130 130 130 130 130 130 130 130 130
Weight (B5) KG 40 44 50 57 63 77 93 105 120 150
Cooling Method   416 416
Protection   IP54 IP54
Insulation Class   F F
MOUNTING DIMENSIONS
Frame kW   Mounting Dimensions  
A A/2 B C DH EA L1 D E F G H H1 M N S T K AB AC AD AE HD HE L
LDT180W 7.5 254 127 295 41.5 M10*25 * * 38 75 10 33 110 128 215 180 4-13.5 4 4-14.5 320 220*220 176 200*200 304 286 455
11 295 455
15 330 495
18 365 535
22 400 575
LDT250W 22 356 178 320 56 M12*25 * * 48 110 14 43 145 165 300 250 4-?19 4 4-18.5 480 290*290 218 264*264 383 363 540
33 360 580
44 400 620
55 440 660
75 480 700
LDT180N 7.5 254 127 295 41.5 M10*25 47 40 * * * * 110 128 215 180 4-13.5 * 4-14.5 320 220*220 176 200*200 304 286 427
11 295 427
15 330 465
18 365 507
22 400 547